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Combustor Liner for GE90 High-Bypass Turbofan from Japan

A ceramic matrix composite (CMC) combustor liner for the GE90 engine powering Boeing 777 aircraft, designed to withstand combustion temperatures up to 3000°F. Classified under HTS 8411.99.90.90 as a critical combustion chamber part exclusive to aircraft gas turbines.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include NIST-traceable material test reports for advanced composites to satisfy customs engineering review

Verify ITAR exemption status; aircraft turbine parts often require export license equivalents for import

Avoid misdeclaration as 'industrial turbine part' which shifts to 8411.99.10 and different duties